Week n, Auditory system

General:  This week’s topic was the auditory system. We began from what is sound because without that we cannot understand hearing. We went into the anatomy of the hearing aperture and then the function.

 

VV: This week we had our first hybrid lecture. It took place on campus as well as on ZOOM. I really appreciate that we can finally get to campus and study as I always considered normal. To tell something connected to the lecture, I really fancy the fact that our hearing aperture has the ability to tune the sensitivity. Basically, it considers that it should always hear something. Thus in total silence, our hearing aperture is the most sensitive but endangered at the same time. If suddenly a really loud sound appears from total silence it can hurt our hearing. On the other hand, if the same sound appeared gradually the hearing aperture would prepare itself and did not get injured or it would be less damaged. The same thing is responsible for the phenomenon that after the end of the movie in the cinema, everyone speaks really loud because the body is still set for higher volume.

 

PM: Since the vision works similarly to hearing this week’s lecture was pretty enjoyable. For example, the auditory pathways are pretty similar to the visual pathways. The most interesting parts of this lecture were sound localization, attenuation reflex, and sound amplification. Basically, the sound is localized by the time difference of which the sound wave hits the ears from different directions, and if it’s too loud the small muscles in the middle ear start to contract. More silent sounds are amplified 20-fold by the three small bones in the middle ear which are called the ossicles. The lecture was hybrid, which is great because even though I really like going to campus to study, my life right now is organized in a way where it is really convenient for me to study from home. However, many of my peers were really happy to hear that courses had organized lectures on the campus.